What causes claw deformity?
What causes claw deformity?
Claw hand deformity is a condition where your fingers are bent into a position that looks like a claw. It may affect all of your fingers or only some of them. The cause is usually related to damage to a major nerve that starts at the neck and controls the muscles in your hand and arm.
Why does Klumpke palsy cause claw hand?
The classic presentation of Klumpke’s palsy is the “claw hand” where the forearm is supinated, the wrist extended and the fingers flexed. If Horner syndrome is present, there is miosis (constriction of the pupils) in the affected eye. The injury can result from difficulties in childbirth.
Which nerve is damaged in wrist drop?
Wrist drop is caused by damage to the radial nerve, which travels down the arm and controls the movement of the triceps muscle at the back of the upper arm, because of several conditions.
Why does ulnar claw occur?
An ulnar claw, also known as claw hand or ‘spinster’s claw’, is a deformity or an abnormal attitude of the hand that develops due to ulnar nerve damage causing paralysis of the lumbricals.
Why is it called Vikings disease?
Dupuytren’s disease has been given the moniker “the Viking disease” due to its prevalence in the north of Europe and those of Northern European descent.
What nerve is damaged in Klumpke’s palsy?
Klumpke paralysis is caused by an injury to the nerves of the brachial plexus that which may result during birth due to a a difficult delivery. This injury can cause a stretch injury (neuropraxia), scarring, or tearing of the brachial plexus nerves.
What is Klumpke’s paralysis What is the effect?
Klumpke’s palsy, or Klumpke’s paralysis, is a form of brachial plexus palsy – a paralysis of the arm due to an injury of the network of spinal nerves that originates in the back of the neck, extends through the shoulder and armpit and gives rise to nerves in the arm.